Science Journal (CH 10)

Know

• Brain can control every nerves.
• To some point the ear will lost the hearing.

• How brain control the nerves?
• How many nerves in human body?
• How long human can hear?
• What is the point for hearing lost?
• How Nerves system work?

• If you hurt your brain or spinal that will be painful.
• Coffee and tea will effect human nerves system.